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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick
Toor and Marchello
Stefan
Gilliland

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Mass Transfer
The vapour pressure exerted by the moisture contained in a wet solid depends upon the

All of these
Nature of the moisture
Nature of the solid
Temperature

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Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around

0.6
0.72
1
0.24

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Mass Transfer
Prandtl number for water at 20°C is about

7
70
0.7
150

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Mass Transfer
Which of the following solutions will follow Raoult's law most closely?

35% solution of camphor in water
A solution of polar organic compounds (not of homologs of a series)
A solution of benzene, toluene and oxylene
35% solution of NH₃ in water

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Uranium from its ore
None of the listed here
Water from petrol
Ammonia from coke oven gas

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